Answer: 
Explanation:
Given
Radius of flywheel is 
Angular acceleration 
For no change in radius, tangential acceleration is given as

Insert the values

I would say C i'm not 100% sure
Answer:
Electrons are not little balls that can fall into the nucleus under electrostatic attraction
Explanation:
The law of conservation of energy implies that energy can neither be created nor destroyed, but can be changed from one form to another.